Merge "SF: Add screenshot reparenting tests"

        SurfaceComposerClient::Transaction().show(mChild).apply(true);

    }

    void verify() {

    void verify(std::function<void()> verifyStartingState) {

        // Verify starting state before a screenshot is taken.

        verifyStartingState();

        // Verify child layer does not inherit any of the properties of its

        // parent when its screenshot is captured.

        auto fgHandle = mFGSurfaceControl->getHandle();

        ScreenCapture::captureChildLayers(&mCapture, fgHandle);

        mCapture->checkPixel(10, 10, 0, 0, 0);

        mCapture->expectChildColor(0, 0);

        // Verify all assumptions are still true after the screenshot is taken.

        verifyStartingState();

    }

    std::unique_ptr<ScreenCapture> mCapture;

    sp<SurfaceControl> mChild;

};

// Regression test b/76099859

TEST_F(ScreenCaptureChildOnlyTest, CaptureLayerIgnoresParentVisibility) {

    SurfaceComposerClient::Transaction().hide(mFGSurfaceControl).apply(true);

    // Even though the parent is hidden we should still capture the child.

    verify();

    // Before and after reparenting, verify child is properly hidden

    // when rendering full-screen.

    verify([&] { screenshot()->expectBGColor(64, 64); });

}

TEST_F(ScreenCaptureChildOnlyTest, CaptureLayerIgnoresParentCrop) {

            .apply(true);

    // Even though the parent is cropped out we should still capture the child.

    verify();

    // Before and after reparenting, verify child is cropped by parent.

    verify([&] { screenshot()->expectBGColor(65, 65); });

}

// Regression test b/124372894

TEST_F(ScreenCaptureChildOnlyTest, CaptureLayerIgnoresTransform) {

    SurfaceComposerClient::Transaction().setMatrix(mFGSurfaceControl, 2, 0, 0, 2);

    SurfaceComposerClient::Transaction().setMatrix(mFGSurfaceControl, 2, 0, 0, 2).apply(true);

    // We should not inherit the parent scaling.

    verify();

}

TEST_F(ScreenCaptureChildOnlyTest, RegressionTest76099859) {

    SurfaceComposerClient::Transaction().hide(mFGSurfaceControl).apply(true);

    // Even though the parent is hidden we should still capture the child.

    verify();

    // Verify everything was properly hidden when rendering the full-screen.

    screenshot()->expectBGColor(0,0);

    // Before and after reparenting, verify child is properly scaled.

    verify([&] { screenshot()->expectChildColor(80, 80); });

}